Home / 101,717.46-140,295.33-69,887.70

Finding the Fourth Proportional to 101,717.46, 140,295.33 and 69,887.70

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Solution

The fourth proportional to 101,717.46, 140,295.33 and 69,887.70 is: 96,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,717.46 : 140,295.33 = 69,887.70 : x
  2. Step 2: Convert to fraction form
    101,717.46/140,295.33 = 69,887.70/x
  3. Step 3: Cross multiply
    101,717.46x = 140,295.33 × 69,887.70
  4. Step 4: Simplify right side
    101,717.46x = 9,804,917,934.44
  5. Step 5: Solve for x
    x = 9,804,917,934.44/101,717.46
  6. Step 6: Final answer
    x = 96,393.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.